Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Clear

73°F

23°C

Humidity 20%
Wind Speed N 9 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 18 Jun 09:20 PM MDT
Extended Forecast for

25 Miles NNE Mackay ID

Fire Weather Watch June 20, 09:00am until June 20, 09:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Northwest wind 5 to 7 mph.

    Low: 48 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Increasing clouds, with a high near 80. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 80 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 20 percent chance of rain after 5am.  Mostly cloudy, with a low around 54. West wind 5 to 9 mph becoming light northwest  after midnight.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A chance of rain, then showers and possibly a thunderstorm after noon.  High near 70. Light west northwest wind increasing to 5 to 10 mph in the morning.  Chance of precipitation is 80%.

    High: 70 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight.  Mostly cloudy, with a low around 45. West northwest wind 8 to 13 mph becoming light northwest  after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. Northwest wind 5 to 7 mph.
Juneteenth
Increasing clouds, with a high near 80. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A 20 percent chance of rain after 5am. Mostly cloudy, with a low around 54. West wind 5 to 9 mph becoming light northwest after midnight.
Saturday
A chance of rain, then showers and possibly a thunderstorm after noon. High near 70. Light west northwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 45. West northwest wind 8 to 13 mph becoming light northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles NNE Mackay ID
 44.24°N 113.41°W (Elev. 6424 ft)
5:31 pm MDT Jun 18, 2026
9pm MDT Jun 18, 2026-6pm MDT Jun 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database